670400074 has 8 divisors (see below), whose sum is σ = 1024573860. Its totient is φ = 328875456.

The previous prime is 670400069. The next prime is 670400089. The reversal of 670400074 is 470004076.

It can be written as a sum of positive squares in 2 ways, for example, as 569538225 + 100861849 = 23865^2 + 10043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3162159 + ... + 3162370.

Almost surely, 2^670400074 is an apocalyptic number.

670400074 is a deficient number, since it is larger than the sum of its proper divisors (354173786).

670400074 is a wasteful number, since it uses less digits than its factorization.

670400074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324584.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 670400074 is about 25892.0851612998. The cubic root of 670400074 is about 875.2081459651.

The spelling of 670400074 in words is "six hundred seventy million, four hundred thousand, seventy-four".